ANCELL -E-

Oil // district 13 // lease#20452

op: QUATRO OIL AND GAS, INC.

cum_oil

75k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2000-09

-- production_history

cum_oil: 74,970 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

418 BBL/mo

Di (annual)

23.4%

b-factor

0.4

EUR

33,145 BBL

R-squared

0.314

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4A-E OPERATING COMMITTEE14,5001984-10-24
5A-E OPERATING COMMITTEE14,5001984-10-24
3ELLIS, KEN OIL CO.14,5001981-07-30
1ELLIS, KEN OIL CO.14,5001980-03-19
EOF // multi-state drilling data platform // 2026